// Thud - a dynamic object-oriented language
// Copyright (C) 2009,2010 David H. Hovemeyer <david.hovemeyer@gmail.com>

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// Thud - a dynamic object-oriented language
// Copyright (C) 2009, David H. Hovemeyer

// Parser functions

#ifndef FE_PARSERFUNCTIONS_H
#define FE_PARSERFUNCTIONS_H

#include <cwchar>
class Parser;
class ASTNode;

int yyparse(Parser *);
void yyerror(Parser *parserContext, const char *msg);

/**
 * Make AST_BINARY_OP_EXPR ASTNode.
 *
 * @param lhs the ASTNode representing the left-hand expression
 * @param op  token specifying the operator
 * @param rhs the ASTNode representing the right-hand expression
 */
ASTNode *makeBinOpASTNode(ASTNode *lhs, int op, ASTNode *rhs);

/**
 * Convert an operator token to a string representing the operator.
 *
 * @param op token specifying a binary operator
 * @return string representing the operator (e.g., "+" for PLUS)
 */
const wchar_t *binOpToString(int op);

#endif // FE_PARSERFUNCTIONS_H
